public Entities.tax_rule_group Add(Entities.tax_rule_group TaxRuleGroup) { long?idAux = TaxRuleGroup.id; TaxRuleGroup.id = null; List <PrestaSharp.Entities.PrestaShopEntity> Entities = new List <PrestaSharp.Entities.PrestaShopEntity>(); Entities.Add(TaxRuleGroup); RestRequest request = this.RequestForAdd("tax_rule_groups", Entities); Entities.tax_rule_group aux = this.Execute <Entities.tax_rule_group>(request); TaxRuleGroup.id = idAux; return(this.Get((long)aux.id)); }